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Adding new column to existing DataFrame in Python pandas
...st know how pandas works. I would therefore advice against the []= in code bases, but when exploring data in a notebook, it is fine.
Going around the problem
If you have a pd.Series and want it assigned from top to bottom, or if you are coding productive code and you are not sure of the index orde...
Find (and kill) process locking port 3000 on Mac
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Sometimes lsof -i :port will show nothing. try sudo lsof -i :port.
– kilik52
Jan 30 '14 at 12:05
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Where does Chrome store extensions?
...is link "Finding All Installed Browsers in Windows XP and Vista – beware 64bit!" may be useful for Windows as suggested by "How to find all the browsers installed on a machine".
The installed web browsers are saved in this registry,
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet
H...
Windows shell command to get the full path to the current directory?
...as follows:
SET var=%cd%
ECHO %var%
sample screenshot from a Windows 7 x64 cmd.exe.
Update: if you do a SET var = %cd% instead of SET var=%cd% , below is what happens. Thanks to jeb.
Capturing the current directory from a batch file
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Creating a simple XML file using python
...tion of ElementTree. Also offered in the standard library since 2.5)
LXML (Based on libxml2. Offers a rich superset of the ElementTree API as well XPath, CSS Selectors, and more)
Here's an example of how to generate your example document using the in-stdlib cElementTree:
import xml.etree.cElement...
Can I access variables from another file?
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Dagg NabbitDagg Nabbit
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What can I use for good quality code coverage for C#/.NET? [closed]
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This is what I used as well - until I moved my apps into 64bits :-(
– galaktor
Aug 17 '12 at 10:58
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How to set gradle home while importing existing project in Android studio
...iles\Android\Android Studio\Gradle\Gradle 2.2.1. This is running Windows 7 64-Bit. Android Studio 1.0.2.
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提升速度：XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ory ManagementIoPageLockLimit，根据你的内存修改其十六进制值(64M: 1000;128M: 4000;256M: 10000;512M或更大: 40000)。
3、去掉菜单延迟
把滑出菜单时的延迟去掉，可以在一定程度上加快XP。要修改的键值在HKEY_CURRENT_USERControl PanelDesktop。具体要...
How to understand nil vs. empty vs. blank in Ruby
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Quick tip: !obj.blank? == obj.present?
Can be handy/easier on the eyes in some expressions
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